| Company | Timeline | Status | |
| Shademanor Limited Secretary • Unreported  | 23 Aug 1992←6 Years→31 Mar 1999  | Active  | |
Bio-Information (International) Limited Director • Director  | 1 Nov 1991←24 Years→22 Mar 2016  | Dissolved  | |
Bio-Information (International) Limited Secretary • Consultant Researcher  | 1 Nov 1991←24 Years→22 Mar 2016  | Dissolved  | |
| Shademanor Limited Director • Academic Researcher  | 13 Jun 1991←7 Years→14 Aug 1998  | Active  | |
